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Fano resonance in quadratic waveguide arrays
Andrey E Miroshnichenko1, Yuri S Kivshar, Rodrigo A Vicencio
1Nonlinear Physics Centre, Research School of Physical Sciences and Engineering, Australian National University, Canberra ACT 0200, Australia. aem124@rsphysse.anu.edu.au
Optics Letters
|May 4, 2005
Summary
We investigate light scattering in optical waveguide arrays with tunable nonlinear defects. This structure is a promising platform for observing Fano resonance in nonlinear optics.
Area of Science:
- Nonlinear optics
- Photonics
- Condensed matter physics
Background:
- Resonant light scattering is crucial for understanding light-matter interactions.
- Optical waveguide arrays offer a controllable platform for studying wave phenomena.
- Nonlinear optical effects enable novel functionalities in photonic devices.
Purpose of the Study:
- To investigate resonant light scattering in optical waveguide arrays with tunable nonlinear defects.
- To explore novel wave scattering features in such structures.
- To assess the potential for observing Fano resonance in nonlinear optical systems.
Main Methods:
- Utilizing arrays of channel optical waveguides.
- Introducing tunable quadratic nonlinearity via periodic poling of waveguides.
- Analyzing resonant light scattering phenomena.
Main Results:
- Observed novel features in wave scattering within the engineered waveguide arrays.
- Demonstrated the capability of the structure to exhibit tunable nonlinear behavior.
- Identified the system as a suitable candidate for Fano resonance observation.
Conclusions:
- The studied waveguide arrays with nonlinear defects provide a unique platform for nonlinear optics.
- The observed scattering phenomena are indicative of Fano resonance.
- This research opens avenues for developing novel nonlinear optical devices.